Polyethylsilicate (Si-40)

　　Molecular formula:

　　(C2H5O)3Si-O-[-(C2H5O)2Si-O-]n-Si(C2H5O)3

　　Technical index:

　　1.Appearance: Yellowish transparent liquid without deposition

　　2.Density(25℃,g/cm3): 1.04～1.07

　　3.SiO2 content: 38～42%

　　4.Viscosity(25℃, mm2/s ):3～6

　　5.Refractive index(nD25):1.3965～1.4000

　　Properties and use:

　　Low molecular polymer of ethoxy siloxane. It has better effect in precision casting, anticorrosive materials and refractory materials.

　　Traditional application areas for WACKER ethyl silicates are:

　　Binders for zinc-rich paints in heavy-duty corrosion protection

　　Binders for precision castings and refractory materials

　　Formation of SiO2 layers on silicon chips

　　Modification of organic polymers in the chemical industry

　　Binders for stone consolidation

　　Packaging and storage:

　　Packed in 200L metal pail, 200KG/pail. Transported as dangerous articles